自定义指令

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
    <meta name="apple-mobile-web-app-capable" content="yes">
    <meta name="apple-mobile-web-app-status-bar-style" content="black">
    <style>

    </style>
    <script src="vue.js"></script>
    <script>
        Vue.directive('red',function(){
            this.el.style.background='red';
        });

        window.onload=function(){
            var vm=new Vue({
                el:'#box',
                data:{
                    msg:'welcome'
                }
            });
        };

    </script>
</head>
<body>
    <div id="box">
        <span v-red>
            asdfasd
        </span>
    </div>

</body>
</html>

2

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
    <meta name="apple-mobile-web-app-capable" content="yes">
    <meta name="apple-mobile-web-app-status-bar-style" content="black">
    <style>

    </style>
    <script src="vue.js"></script>
    <script>
        Vue.directive('a-red',function(){
            this.el.style.background='red';
        });

        window.onload=function(){
            var vm=new Vue({
                el:'#box',
                data:{
                    msg:'welcome'
                }
            });
        };

    </script>
</head>
<body>
    <div id="box">
        <span a-red>
            asdfasd
        </span>
    </div>

</body>
</html>

3

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
    <meta name="apple-mobile-web-app-capable" content="yes">
    <meta name="apple-mobile-web-app-status-bar-style" content="black">
    <style>

    </style>
    <script src="vue.js"></script>
    <script>
        Vue.directive('red',function(){
            this.el.style.background='red';
        });

        window.onload=function(){
            var vm=new Vue({
                el:'#box',
                data:{
                    msg:'welcome'
                }
            });
        };

    </script>
</head>
<body>
    <div id="box">
        <span v-red>
            asdfasd
        </span>
        <span v-red>
            asdfasd
        </span>
        <span v-red>
            asdfasd
        </span>
    </div>

</body>
</html>

4

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
    <meta name="apple-mobile-web-app-capable" content="yes">
    <meta name="apple-mobile-web-app-status-bar-style" content="black">
    <style>

    </style>
    <script src="vue.js"></script>
    <script>
        Vue.directive('red',function(color){
            this.el.style.background=color;
        });

        window.onload=function(){
            var vm=new Vue({
                el:'#box',
                data:{
                    a:'blue'
                }
            });
        };

    </script>
</head>
<body>
    <div id="box">
        <span v-red="a">
            asdfasd
        </span>
    </div>

</body>
</html>

5

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
    <meta name="apple-mobile-web-app-capable" content="yes">
    <meta name="apple-mobile-web-app-status-bar-style" content="black">
    <style>

    </style>
    <script src="vue.js"></script>
    <script>
        Vue.directive('red',function(color){
            this.el.style.background=color;
        });

        window.onload=function(){
            var vm=new Vue({
                el:'#box'
            });
        };

    </script>
</head>
<body>
    <div id="box">
        <span v-red="'blue'">
            asdfasd
        </span>
    </div>

</body>
</html>

6

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
    <meta name="apple-mobile-web-app-capable" content="yes">
    <meta name="apple-mobile-web-app-status-bar-style" content="black">
    <style>

    </style>
    <script src="vue.js"></script>
    <script>
        Vue.directive('red',{
            bind:function(){
                this.el.style.background='red';
            }
        });

        window.onload=function(){
            var vm=new Vue({
                el:'#box'
            });
        };

    </script>
</head>
<body>
    <div id="box">
        <span v-red>
            asdfasd
        </span>
    </div>

</body>
</html>
原文地址:https://www.cnblogs.com/lanlanJser/p/7420906.html